function chickEndtime(begin,tdId){
			//var endtime = document.getElementById("endtime").innerText;//获取结束时间
			//获得当前时间
		    var d = new Date();
		    var s = d.getFullYear()+ "-" + (d.getMonth() + 1) + "-" + d.getDate() + " " + d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
		   
	       	var d1 = new Date(begin.replace(/-/g, "/"));
			var d2 = new Date(s.replace(/-/g, "/"));
			if (Date.parse(d1) - Date.parse(d2) > 0) {
				//计算当前时间距结束时间多少秒
				var miao = (Date.parse(d1) - Date.parse(d2))/1000;
				//计算相差多少天
				var tian = parseInt(miao/86400);//获得天数
				var shi = parseInt(miao/3600-tian*24);//获得小时数
				var fen = parseInt(miao/60-(shi*60+tian*1440));//获得分钟数
				var mi =parseInt(miao-(fen*60+shi*3600+tian*86400));
				var timeed = tian+"天"+shi+"时"+fen+"分"+mi+"秒";
				document.getElementById(tdId).innerHTML = timeed;
			}else if (Date.parse(d1) - Date.parse(d2) <= 0) { 
			}
		}